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diff --git a/gcc/testsuite/obj-c++.dg/property/dynamic-6.mm b/gcc/testsuite/obj-c++.dg/property/dynamic-6.mm
new file mode 100644
index 000000000..23a7a8905
--- /dev/null
+++ b/gcc/testsuite/obj-c++.dg/property/dynamic-6.mm
@@ -0,0 +1,26 @@
+/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010.  */
+/* { dg-do compile } */
+
+/* Test case when an accessor from a @property matches a method
+   required by a protocol.  If the @property is @dynamic, then no
+   warning should be generated.  */
+
+#include <objc/objc.h>
+#include <objc/runtime.h>
+#include <stdlib.h>
+
+@protocol Count
+- (int) count;
+@end
+
+@interface MyRootClass <Count>
+{
+  Class isa;
+}
+@property int count;
+@end
+
+@implementation MyRootClass
+/* This @dynamic turns off any warnings for -count and -setCount:.  */
+@dynamic count;
+@end